Unleashing Efficiency & Reliability in Industrial Water Systems with Scale and Corrosion Inhibitor Chemicals
About Hebei Longke Water Treatment Co., Ltd.
Hebei Longke Water Treatment Co., Ltd. (https://www.lkpbtc.com) is a global leader in the research, production, and supply of scale and corrosion inhibitor chemicals. With a robust R&D center and a highly experienced professional team, we are committed to delivering innovative and reliable water treatment solutions to industries worldwide, ensuring superior standards of efficiency and asset longevity.
Product Spotlight: Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na2)
Product Name: Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na2)
CAS No.: 7414-83-7 | Synonyms: HEDP NA2, Disodium Salt, 7414 83 7
Full details at: Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na2)
- High-purity scale and corrosion inhibitor for industrial water treatment systems
- Excellent chelation and scale inhibition capability, particularly for calcium and iron ions
- Stable under high temperature and alkaline conditions
- Broad applicability across industries: power plants, petrochemicals, HVAC, metallurgy, paper, textiles, and more
The scale and corrosion inhibitor extends operational cycle times, reduces equipment failure rates, and ensures water system longevity thanks to its proven chemical stability and effectiveness.
Industry Trends in Scale and Corrosion Inhibitor Chemicals
With increasing demands for sustainable and cost-effective scale and corrosion inhibitor solutions in the industrial sector, research is focused on developing environmentally friendly, non-phosphorous, and biodegradable inhibitor water treatment agents. The scale inhibitor water treatment market is projected to surpass USD 10 billion by 2030 (MarketsandMarkets Report).
The ongoing shift highlights greater adoption of advanced organic inhibitors such as HEDP•Na2, known for efficacy and environmental compliance. ScienceDirect and the Journal of Water Process Engineering have both documented the significant performance improvements of new-generation scale and corrosion inhibitors.
Key Parameters Comparison: Scale and Corrosion Inhibitor Chemicals
Parameter |
HEDP•Na2 (CAS 7414-83-7) |
PBTCA |
ATMP•Na4 |
PASP |
Molecular Formula |
C2H6Na2O7P2 |
C7H11O9P |
C3H8N3Na4O9P3 |
(C4H5NO2)n |
Appearance |
White/Off-white powder |
Clear to pale yellow liquid |
White powder |
White/Light yellow powder |
Active Content (%) |
98 min. |
50 min. |
95 min. |
92 min. |
pH (1% Solution) |
4.0–6.0 |
1.5–2.0 |
7–9 |
7.0–9.0 |
Ca Sequestration (mg CaCO3/g) |
450 |
390 |
425 |
320 |
Main Use |
Scale & corrosion inhibitor |
Scale inhibitor & dispersant |
Corrosion inhibitor |
Green scale inhibitor |
ECharts Data Visualization: Scale and Corrosion Inhibitor Trends
Application Scenarios for Scale and Corrosion Inhibitor Chemicals
- Industrial circulating cooling water systems in power stations, petroleum refineries, chemical plants
- Air conditioning & HVAC piping and heat exchange equipment
- Boilers, heat exchangers, condensers, evaporators
- Industrial cleaning, metallurgical and paper production lines
- Desalination and RO membrane protection
- Municipal drinking water plants (as per compliance limit)
- Textile and dyeing process water recycling
The use of scale and corrosion inhibitor ensures reduction of downtime, preservation of system integrity, and considerable savings in operational costs.
Professional FAQ: Scale and Corrosion Inhibitor Chemicals
Q1: What is the chemical structure and CAS Number of Disodium Salt of HEDP (HEDP•Na2)?
A1: The molecular formula is C2H6Na2O7P2 and the CAS number is 7414-83-7. It is the disodium salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid.
Q2: What are the industry-standard purity and heavy metal content requirements?
A2: For
scale and corrosion inhibitor chemicals like HEDP•Na2, active content should be ≥98%; Fe(III) is usually ≤0.05%; Cl- ≤0.5%, and water insoluble matter ≤1.0%. These meet global water treatment standards and
referenced in ACS Industrial & Engineering Chemistry.
Q3: What is the recommended dosage in water treatment?
A3: Typical dosing range is 2–20mg/L depending on system condition, water quality, and specific fouling/corrosion risk factors. Consult Hebei Longke Water Treatment Co., Ltd. for tailored engineering recommendations.
Q4: Which industries require scale and corrosion inhibitor chemicals most urgently?
A4: Power plants, chemical and petrochemical industries, metallurgy, textile, food & beverage, and large commercial HVAC facilities rely heavily on scale inhibitor water treatment chemicals for asset performance and compliance.
Q5: What are the compatibility and installation standards for using these inhibitors?
A5: HEDP•Na2 is highly compatible with most anti-scaling and dispersant systems and can be dosed via automated or batch dosing equipment, following ASTM D4519 and ISO 7737-2 water treatment standards.
Q6: How does HEDP•Na2 perform under high TDS or alkaline pH?
A6: HEDP•Na2 maintains outstanding scale and corrosion inhibition even at high Total Dissolved Solids (TDS) or alkaline pH up to 10, making it ideal for demanding industrial applications.
Q7: What environmental/safety certificates should inhibitors conform to?
A7: Longke’s Disodium Salt of HEDP is REACH-registered and meets RoHS, ISO 9001, and ISO 14001 certification requirements for quality and environmental safety (
REACH Directive).
Conclusion: Advancing Industrial Water Treatment with Hebei Longke
As industries navigate stricter environmental regulations and greater efficiency requirements, the application of high-performance scale and corrosion inhibitor chemicals such as Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na₂) becomes essential. Trust in the technical expertise, production strength, and worldwide supply capacity of Hebei Longke Water Treatment Co., Ltd. to secure your system's integrity with future-ready solutions.
For partnership, bulk orders, and technical consultation, please contact Hebei Longke Water Treatment Co., Ltd. via sale@longkehg.com or phone (+86-18733938789 / 86-319-6678982).
Learn more product details, MSDS, and technical documentation:
Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP•Na2)